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...
...
...
#define UX_SOURCE_CODE
#include "ux_api.h"
#include "ux_host_class_storage.h"
#include "ux_host_stack.h"
...
...
UINT _ux_host_class_storage_media_characteristics_get(UX_HOST_CLASS_STORAGE *storage)
{
UINT status;
UCHAR *cbw;
UCHAR *inquiry_response;
UINT command_length;
cbw = (UCHAR *) storage -> ux_host_class_storage_cbw;
#ifdef UX_HOST_CLASS_STORAGE_INCLUDE_LEGACY_PROTOCOL_SUPPORT
if (storage -> ux_host_class_storage_interface -> ux_interface_descriptor.bInterfaceSubClass == UX_HOST_CLASS_STORAGE_SUBCLASS_UFI)
command_length = UX_HOST_CLASS_STORAGE_INQUIRY_COMMAND_LENGTH_UFI;
else
command_length = UX_HOST_CLASS_STORAGE_INQUIRY_COMMAND_LENGTH_SBC;/* ... */
#else
command_length = UX_HOST_CLASS_STORAGE_INQUIRY_COMMAND_LENGTH_SBC;
#endif
_ux_host_class_storage_cbw_initialize(storage, UX_HOST_CLASS_STORAGE_DATA_IN, UX_HOST_CLASS_STORAGE_INQUIRY_RESPONSE_LENGTH, command_length);
*(cbw + UX_HOST_CLASS_STORAGE_CBW_CB + UX_HOST_CLASS_STORAGE_INQUIRY_OPERATION) = UX_HOST_CLASS_STORAGE_SCSI_INQUIRY;
*(cbw + UX_HOST_CLASS_STORAGE_CBW_CB + UX_HOST_CLASS_STORAGE_INQUIRY_ALLOCATION_LENGTH) = UX_HOST_CLASS_STORAGE_INQUIRY_RESPONSE_LENGTH;
inquiry_response = _ux_utility_memory_allocate(UX_SAFE_ALIGN, UX_CACHE_SAFE_MEMORY, UX_HOST_CLASS_STORAGE_INQUIRY_RESPONSE_LENGTH);
if (inquiry_response == UX_NULL)
return(UX_MEMORY_INSUFFICIENT);
#if defined(UX_HOST_STANDALONE)
UX_HOST_CLASS_STORAGE_TRANS_STATE_RESET(storage);
storage -> ux_host_class_storage_memory = inquiry_response;
storage -> ux_host_class_storage_state_state = UX_HOST_CLASS_STORAGE_STATE_TRANSPORT;
storage -> ux_host_class_storage_state_next = UX_HOST_CLASS_STORAGE_STATE_INQUIRY_SAVE;
storage -> ux_host_class_storage_trans_data = inquiry_response;
status = UX_SUCCESS;
return(status);/* ... */
#else
status = _ux_host_class_storage_transport(storage, inquiry_response);
/* ... */
if (status == UX_SUCCESS)
{
storage -> ux_host_class_storage_media_type = *(inquiry_response + UX_HOST_CLASS_STORAGE_INQUIRY_RESPONSE_PERIPHERAL_TYPE);
storage -> ux_host_class_storage_lun_removable_media_flags[storage -> ux_host_class_storage_lun] = *(inquiry_response + UX_HOST_CLASS_STORAGE_INQUIRY_RESPONSE_REMOVABLE_MEDIA);
/* ... */
status = _ux_host_class_storage_media_capacity_get(storage);
}if (status == UX_SUCCESS) { ... }
_ux_utility_memory_free(inquiry_response);
return(status); /* ... */
#endif
}{ ... }